Víðgelmir, Icelands largest cave by volume 148000m³. Few pictures from my visit on my birthday. The tour was excellent and I really enjoyed the visit. So if you are in the Husafell area then you should drop by and visit this place.

#iceland #cave #lava #lavacave #travel #underground #photography #landscapephotography #volcanic #fujifilm #xt3

Territoriality, foraging and social organisation in stream salmonids: Repeatability vs. Plasticity.

Great talk by Stefan O. Steingrimsson on foraging mode in Arctic charr in streams and lava caves

https://www.holaraquatic.is/stefaacuten-oacuteli-steingriacutemsson.html
#ecology #charr #salmonid #feeding #lavacave #iceland #behavior #stream #socialhierarchy #fish

Life in a #LavaCave

#Roots penetrating the ceiling, reaching down for water etc

#Bláfjöll #Iceland